Improvement in steam-heaters



Jr SHACKLETON.

Steam' Heater. V A No. 87 .301. Patented Feb. 23, I869.

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JOSE-PH SHACKLETON, OF RAHWAY, NEW JERSEY.

Letters Patent No. 87,301, dated February 23, 1869.

IMPROVEMENT IN STEAM-HEATERS.

The Schedule nefen'ecl to in these Letters Patent and making part of thesame.

Be it known thatl, .losnPH SHACKLETON, of Rahway, Union county, State ofNew Jersey, have invented a new and useful Modoof Utilizing the ExhaustSteam of Engines to Heat Buildings, and for heating dyers kettles,soap-boih'n's, and the various purposes wherein live steam is nowemployed; and I'do hereby declare that the following is a full, clear,and exact description of the mode or system employed, reference beinghad to the annexed drawings, making a part of this specitication.

Figure 1 represents a cross-section of a building, with the location ofthe boiler A, engine B, steam-pipe O, exhaust 1), by-pass W,supcrheating-pipes H, heatingupe J, and heatin -series M M, N N also,boilerheating pipe K and L L L.

P l are crnnleusing-pipcs. Y

O is the return condensing-pipe, leading to the tank or boiler-feeder R.

G is a back-pressure gauge.

lfig'ill'e 2 represents the automatic or self-acting exhaust-valve,which is placed on the exhaust-pipe at F.

The 1 peration of this system of heating, by exhaust steam, consists inconducting the steam, after it has actuated the engine, into thesuperheater H, where it gains a greatly increased temperature.

It is then passed, through pipe J, into the series of heaters M M, N N,K, L L L, where it radiates its surplus heat to warm buildings, or toheat dyers ketties, and the various heating purposes for which steam isordinarily employed.-

After the steam has made its circuit in the series of heating-pipes M M,N N, 850., it becomes condensed, and flows back, tln'mlgh'pipes P P andO,into tanlc or feeder ll, in the form of pure distilled water of a hightemperature, which is again returned to the boiler, thereby saving fueland preventing inerustation in the boiler It will be observed that theexhaust-steam is superheated by the waste heat of the furnace that heatsthe boiler, at little or no extra expense for fuel.

\Vhen the engine Bis not at work, valve E is closed, and steam is takendirectly fromthe boiler A, through the by-pass pipe \V, and passedthrough the superhoater in the usual manner, to supply theheating-system.

The automatic valve, at F, more fully shown at fig. 2, is managed with aspiral spring in stem 1, which holds the valve to its seat.

Screw V regulz'ttcs the tension of the spring. The oflice of this valveis to open when the back-pressure is too great, and give direct exit tothe steam, and prevent reacting upon or stopping the engine.

By this system of superheating and utilizing exhauste steam, twenty-fiveper cent. of fuel may be saved.

Having thus-described my system of heating by ex haust-steam,

\Vhat I claim, and desire to secure by Letters Patent of the UnitedStates, is-

1. The use of superheated exhaust-steam for heating buildings, and otherpurposes, as above mentioned.

2. The utilizing the waste heat of a steam-boiler to supcrheat steam forheating-pur mses, substantially as and for the purposes set forth.

3. The combination of a system of heating'by exhaust-steam,substantially as described, with the condelwing-apparatus, substantiallyas and for the pur-. poses described.

4. The combination of automatic valve F with the superheating andheathig apparatus, substantially as and for the purposes represented.

JOSEPH SHAOKLETON. Witnesses:

.Lxuns NOLAN, CHARLES D. INGERSOLL'

